GregTech 6/Ore Processing

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Getting useful crafting materials out of the world-generated Ore Blocks in GregTech 6 has become less forumlaic than it was in GregTech 5, but more optional side paths have been added. This document details how processing chains evolve from the manual 'forge age' through to 'electrical age', and finally contains a reference listing of byproducts by ore and refinery process.

Early game Methods

Forge Age

Manual processing of Ores offers little in the way of choice and bonus products. One crushes raw ore with the
Hammer (perhaps even in the mine, to avoid making quite so many picks), washes, and then smelts it.

Using the
Wooden Bathing Pot filled with liquid Mercury can guarantee specific refined ores while washing some ores; a matching amount of Mercury is consumed in this process. Tossing the crushed ore into a
Cauldron full of fresh Water will also wash it while having a chance to produce each of a Tiny Purified Ore, a Tiny Dust, and a Nugget of every byproduct listed below for that ore. It is a small chance, so getting all 24 will basically never happen, but one could get a dust ore and nugget of the same material from a single crushed ore being washed, or get a sample of every byproduct at the same moment because they are independent chances. More likely, a single byproduct or none will be returned.

I recommend piping water into the Cauldron. A
Drain Cover immersed in the local River for infinite water removes much of the tedium from this process.

Sand and Gravel Ore blocks must be put through a
Sifting Table instead of being crushed and washed. They are doubled and have a good chance of getting the first listed major byproduct along with lower chances of the second and third in order.

Steam Age

Machine processing starts with doing the same thing better and automatically. Try to get a
Crusher to double the Ores as it crushes the blocks. The
Sluice only makes Tiny Purified Ore byproducts, but is 3% for a Tiny Crushed Ore (nine rolls per full Ore) in each of the eight byproduct output slots. If the material has fewer byproduct varieties listed, the other slots are filled by starting at the beginning of the list again, and again, and again until all eight have a material variety. The waste Sluice Juice can have useful materials extracted from it too.

Bath and
Sifter automate the Mercury Wash and Sifting steps as they were done in the #Forge Age; the only improvement in material recovery they offer is the ability to use Hydrofluoric Acid (HF)
bathing to refine Coal-like ores with three chances of 50% getting a Tiny Refined Graphite Ore bonus.

A major option for every ore starts with the
Centrifuge. This machine can process a Purified Ore into a unit Dust and three Tiny Refined Ores, one each of the three major byproducts. For materials with fewer byproducts, the last one listed is copied into the remaining slots. This process increases the total material return but sacrifices primary ore to make the byproducts and is the only process in GregTech 6 to do so. A Centrifuge can also be used to break down some ores into component minerals at a better recovery rate than smelting directly; this often requires a tiered-up machine.

Late game Options

To support the recently implemented GregTech 6 nuclear fission and fusion systems, Isotopes of Lithium, Beryllium, Carbon, Cobalt, Uranium, Plutonium, and Americium are present. It takes a Titanium or Tungstensteel tier Centrifuge to separate the Refined Ore into a unit Dust and eight chances of 27% (split between) Tiny Dust for each enriched isotope. Unlike other processes mentioned in this guide this process loses material on average. Similarly, the Purified Ore can be centrifuged into a Refined Ore and some Tiny Refined Ores with the same chances.

Low Voltage

With electricity more optional paths open. The
Electrolyzer (LV) begins to replace smelting as the go-to process for many ores as it not only has a higher recovery rate of the primary material, but actually recovers all the other chemically bound materials as well. Many minerals have a minimum voltage that will require MV or even HV tier electrolysis. Electrolysis can also be used to process some byproduct chemicals, such as the six Manganese Chloride (MnCl2) Small Dust from Hydrochloric Acid (HCl) bathing to refine any Purified Ore with Pyrolusite as a byproduct.

Persulfates in Water solutions can be used instead of Mercury to wash some Crushed Ores and get a specific Refined Ore byproduct. It takes LV Electrolysis to convert the Bisulfate waste product of Hydrochloric or Nitric Acid production into this useful material.

Magnetic Separator processing will refine a Purified Ore while pulling out two (eighteen Tiny) Refined Ores, at 6% chance, of each byproduct that does not share the magnetic character of the primary ore. These are tabulated below for reference.

Now it is possible to recover the Vitriols and Chloro-Acids in the
Electrolyzer (MV). These corrosive liquids contain additional byproduct metals from refining Pure Ore in a
Bath of Sulfuric Acid or Aqua Regia; gases are also produced. Once electrolyzed at 64 EU/t, the remaining materials can be re-processed into the original acid, often as a closed loop. Such acid soaking always has three 50% chances to produce a Tiny Refined Ore byproduct in addition to the liquids and gases, or 36 chances at tiny refined Platinum Group Sludge. Sulfuric acid washing's byproducts are simply more of the original ore.

Many options, two defaults.


Most Ores in GregTech are complex chemical assemblages, similar to real life. The processes discussed above guide the ore toward a single mineral and single chemical composition, while often producing small amounts of byproduct ores.

As of version 6.11.25 these are the possible uses of each ore:

Ore Smelts to Mercury Wash Persulfate Wash Sulfuric Acid - Vitriol Aqua Regia - ore Aqua Regia - liquid Magnetic Separation Major 1 Major 2 Major 3 Minor Byproducts
Adamantine Adamantine Magnetite Adamantium
Adamantium Adamantium Green (Fe) Magnetite Adamantine
Alduorite (Metallurgy) Alduorite Cadmium
Alexandrite n/a Alexandrite
Almandine n/a of Clay (Al) Alumina
Alumina Alumina Bauxite Alumina Aluminum Hydroxide
Aluminum Hydroxide Alumina 5/7th Ilmenite, Hematite Bauxite Ilmenite Hematite Alumina
Amber n/a Amber
Americium [1] Americium Lead Uranium Plutonium (Blutonium)
Amethyst n/a Amethyst
Andradite n/a Green (Fe) Hematite Hematite
Antimony Antimony [2] Zinc Zinc White (Zn) Hematite Zinc Hematite
Apatite n/a Phosphorite Phosphorus Fluorite Phosphate
Aquamarine Beryllium 1/36th Beryllium Alumina Emerald Morganite, Goshenite, Bixbite, Heliodor, Maxixe
Ardite (TiC) Ardite Cobalt Red (Co) Cobalt Cobalt
Arsenopyrite n/a Gold Gold Fluorite Cassiterite Huebnerite
Asbestos / Chrysotile n/a Asbestos SiO2 Magnesium
Atlarus (Metallurgy) Atlarus Rutile
Azurite Copper 1/9th [2] Zircon Malachite Hafnium
Balas "Ruby" n/a Jasper Spinel
Barite Barium 1/9th Certus Quartz Quartzite (Black Quartz (AA))
Barium Barium [2] Barium
Bastnasite Cerium 1/9th Neodymium Neodymium Rare Earth
Bauxite n/a of Clay (Al) Ilmenite, Hematite Kaolinite Ilmenite Hematite Alumina, Aluminum Hydroxide, (Alduorite)
Beryllium [1] Beryllium Emerald Aquamarine Morganite
Bismuth Bismuth [2] Bismuth
Bixbite Beryllium 1/36th Beryllium Alumina Emerald Aquamarine, Morganite, Goshenite, Heliodor, Maxixe
Black Quarz (AA) n/a Barite
Blue Sapphire Alumina 75% Orange Sapphire Yellow Sapphire Green Sapphire
Blue Topaz n/a Topaz
Blutonium (BR) Blutonium Lead Yellorium Americium
Borax n/a Boron
Boron [1] Boron Boron
Bromargyrite Silver 33% Bromargyrite
BrownLimonite Iron 25% Malachite Malachite Yellow Limonite
Cadmium Cadmium [2] Chalcopyrite Sphalerite Selenium
Caesium Caesium [2] Caesium
Calcite Calcite Malachite
Calcium Calcium Calcium
Carbon [1] Carbon Carbon
Carmot (Metallurgy) Carmot Zinc Zinc White (Zn) Zinc
Cassiterite [3] Tin 75% [2] Zinc Zinc SnCl4 Molybdenite Wolframite Flourite Arsenopyrite, Stannite, Sperylite, Huebnerite, Apatite, (Ignatius)
Cerium Cerium [2] Cerium
CertusQuartz SiO2 100% Milky Quartz Barite
Ceruclase (Metallurgy) Ceruclase Antimony
Chalcopyrite Copper 25% [2] Gold Cobalt Blue (Cu) Cobalt, Pyrite Pyrite Cobalt Cadmium Gold, Speryllite, Stannite, Indium, (Infuscolium)
Charged Certus Quartz SiO2 100% Milky Quartz Barite
Chromite Cromium 22% Green (Fe) [4] Pyrolusite, Hematite Pyrolusite Hematite Magnesium Bromargyrite
Chromium Chromium Green (Fe) Hematite Hematite Magnesium
Cinnabar Mercury 1/3rd [2] Redstone Sulfur Glowstone Selenium, (Sanguinite)
Coal / Anthracite [5] Carbon [6] Lignite Sulfur
Cobalt [1] Cobalt Cobalt Red (Co) (Ardite) Cobaltite (Ardite)
Cobaltite Cobalt 25% Cobalt Red (Co) (Promethium) Cobalt (Promethium)
Cooperite Platinum 1/3rd Platinum Nickel Cyan (Ni) Pt Group Sludge PtCl6H2 Nickel Palladium Nickel Iridium (Kalendrite)
Copper Copper [2] Gold Cobalt Blue (Cu) Cobalt AuCl4H Cobalt, Nickel Cobalt Gold Nickel
Craponite n/a Craponite
Cyanite (BR) Cyanite Cyanite
Deep Iron (Metallurgy) Deep Iron Green (Fe) Hematite
Diamond Carbon 200% Graphite
Dioptase n/a Dioptase
Emerald Beryllium 1/36th Beryllium Alumina Aquamarine Morganite, Goshenite, Bixbite, Heliodor, Maxixe
Enriched Naquadah Nq528 Naquadah Naquadria
Eudialyte n/a Zircon Rare Earth Hafnium Tantalum, Niobium, Lead
Eximite (Metallurgy) Eximite Palladium
Ferberite n/a Ferberite
Fluorite (any color) Fluorite Hematite Huebnerite Yttrium Cerium Hematite, Sodium, Barium
Galena Lead 35% [2] Silver Sulfur Silver Lead Selenium, ('Osmium')
Gallium Gallium [2] Zinc Zinc Zinc Selenium
Garnierite Nickel 75% Nickel Cyan (Ni) Speryllite, (Oureclase) Nickel Speryllite (Oureclase)
Germanium Germanium [2] Germanium
Glowstone [7] Glowstone Gold Redstone Gold
Gold Gold Gold Copper Blue (Cu) Copper AuCl4H Nickel Copper Nickel Cinnabar
Goshenite Beryllium 1/36th Beryllium Alumina Emerald Aquamarine, Morganite, Bixbite, Heliodor, Maxixe
Graphite Carbon 50% Carbon
Green Sapphire Alumina 75% Blue Sapphire Orange Sapphire Yellow Sapphire
Grossular n/a Calcium
Hafnium Hafnium Zircon
Heliodor Beryllium 1/36th Beryllium Alumina Emerald Aquamarine, Morganite, Gosehnite, Bixbite, Maxixe
Hematite Iron 40% [4] Brown Clay Ilmenite Magnetite Pyrolusite Brown Clay, (Deep Iron)
Huebnerite n/a Gray (Mn) Molybdenite Wolframite Fluorite
Ignatius (Metallurgy) Ignatius Selenium Indium
Ilmenite -- Green (Fe) [4] Magnesium, Rutile, (Orichalcum) Rutile Hematite Magnesium Pyrolusite, (Orichalcum)
Indium Indium [2] Selenium
Infuscolium (Metallurgy) Infuscolium Copper Blue (Cu) Copper
Iodine Salt n/a Salt Rock Salt
Iridium Iridium Platinum Pt Group Sludge PtCl6H2 Platinum Osmium Rhodium
Jade n/a Jade
Jasper n/a Balas Ruby Spinel
Kalendrite (Metallurgy) Kalendrite Osmium
Kaolinite n/a Bauxite Brown Clay Alumina
Kesterite Copper 1/9th Pyrite Germanium Pyrite Stannite
Lapis n/a Pyrite Lazurite Sodalite Pyrite
Lazurite n/a Sodalite Lapis
Lead Lead [2] Silver Silver Sulfur
Lemurite (Metallurgy) Lemurite Pink (Mg) Magnesium
Lepidolite n/a Lithium Chloride Lithium Chloride Caesium
Lignite Coal [5] n/a [6] Coal Sulfur Germanium
Lithium [1] Lithium Lithium Chloride Lithium Chloride
Lithium Chloride Lithium Chloride Lithium Lithium
Magnesite Magnesium 20% Pink (Mg) Magnesium (Lemurite)
Magnesium Magnesium [2] Pink (Mg) Olivine
Magnetite Iron 3/7ths Gold Green (Fe) Gold, ('Osmium') Hematite Gold (Shadow Iron) ('Osmium')
Malachite Copper 1/6th [2] Copper Blue (Cu) Brown Limonite Copper Brown Limonite Calcite Azurite, (Vyroxeres)
Maxixe Beryllium 1/36th Beryllium Alumina Emerald Aquamarine, Morganite, Goshenite, Bixbite, Heliodor
Meutoite (Metallurgy) Meutoite Vanadium Pentoxide
Milky Quartz SiO2 100% Certus Quartz Barite
Molybdenite Molybdenum 25% Molybdenum Rhenium Osmium
Molybdenum Molybdenum Molybdenum
Monazite [7] n/a Neodymium Thorium Neodymium Rare Earth (Cyanite)
Morganite Beryllium 1/36th Beryllium Alumina Emerald Aquamarine, Goshenite, Bixbite, Heliodor, Maxixe
Naquadah Naquadah Enriched Naquadah
Naquadria Nq522 Naquadah Enriched Naquadah
Neodymium Neodymium Monazite, Rare Earth Monazite Rare Earth
NetherQuartz SiO2 100% Netherrack Barite
Nickel Nickel Platinum Nickel Cyan (Ni) Pt Group Sludge PtCl6H2 Platinum Cobalt Platinum Hematite
Niobium Niobium Niobium
Niter n/a Potassium Nitrate Sodium Nitrate
OilShale n/a OilShale
Olivine n/a Pink (Mg) Magnesium
Opal n/a Tanzanite
Orange Sapphire Alumina 75% Blue Sapphire Yellow Sapphire Green Sapphire
Orichalcum (Metallurgy) Orichalcum Caesium
Osmium Osmium Platinum Pt Group Sludge PtCl6H2 Iridium Platinum Ruthenium
'Osmium' (Mekanism) 'Osmium' [2] Pt Group Sludge PtCl6H2 Hematite Hematite Tin Chromium
Ouereclase (Metallurgy) Oureclase Nickel Cyan (Ni) Nickel Nickel
Palladium Palladium Pt Group Sludge PtCl6H2 Palladium
Pentlandite Nickel 1/3rd Cobalt Cyan (Ni) Sulfur, Speryllite, (Meutoite) Hematite Sulfur Cobalt Speryllite, (Meutoite)
Phosphate n/a Phosphor
Phosphor n/a Phosphate
Phosphorite n/a Phosphorite
Phosphorus n/a Phosphorite Apatite Fluorite Phosphate
Pinalite WO3 Tungstate Lead
Pitchblende Uranium 20% Lead Thorium Uranium Radium, Rare Earth, (Yellorium)
Platinum Platinum Platinum Nickel Cyan (Ni) Pt Group Sludge PtCl6H2 Nickel Nickel Iridium Palladium
Plutonium [1] Plutonium [2] Lead Uranium Americium (Blutonium)
Potassium Potassium Potassium
Potassium Nitrate n/a Sodium Nitrate Niter
Powellite Molybdenum 1/9th Powellite
Prometheum (Metallurgy) Prometheum Cobalt Red (Co) Cobalt Cobalt
Purple Sapphire Alumina 75% Purple Sapphire
Pyrite n/a Green (Fe) Phosphorous, Selenium, Stannite, Sulfur Sulfur Phosphorous Hematite Stannite, Selenium
Pyrolusite Manganese 75% Gray (Mn) Bromargyrite, Chromite, Tantalite, (Eximite) Bromargyrite Hematite Tantalite Chromite, (Eximite)
Pyrope n/a Pink (Mg) Magnesium
Quartzite n/a Hematite Certus Quartz Barite Hematite
Radium Radium [2] Radium
Redstone Redstone Cinnabar Rare Earth Glowstone
Rhenium Rhenium Rhenium
Rhodium Rhodium Pt Group Sludge PtCl6H2 Rhodium
RockSalt n/a Iodine Salt Salt
Rubracium (Metallurgy) Rubracium Chromium
Ruby Alumina 75% Chromium
Russellite WO3 Bismuth Tungstate Bismuth
Ruthenium Ruthenium Pt Group Sludge PtCl6H2 Ruthenium
Rutile -- Hematite Hematite Niobium Tantalite Zircon, (Atlarus)
Salt n/a Rock Salt Iodine Salt
Sanguinite (Metallurgy) Sanguinite Mercury
Sapphire Alumina 75% Orange Sapphire Yellow Sapphire Green Sapphire
Scheelite n/a Gray (Mn) [4] Pyrolusite Pyrolusite Molybdenum Calcite (Rubracium)
Selenium n/a Pyrite Pyrite Galena Sphalerite Indium, Gallium, Cadmium
Shadow Iron (Metallurgy) Shadow Iron Green (Fe) Hematite
Sheldonite Platinum 1/3rd Platinum Nickel Cyan (Ni) Pt Group Sludge PtCl6H2 Nickel Palladium Nickel Iridium
Silver Silver Silver Lead Sulfur Bromargyrite
Smithsonite Zinc 1/6th Zinc Zinc White (Zinc) Zinc Bromargyrite
Sodalite n/a Lazurite Lapis
Sodium [5] Sodium Sodium
Sodium Nitrate n/a Potassium Nitrate Niter
Speryllite Platinum 25% Platinum Copper Pt Group Sludge PtCl6H2 Hematite Antimony Copper Hematite Rhodium, Platinum
Spessartine n/a Gray (Mn) [4] Pyrolusite Pyrolusite
Sphalerite Zinc 33% Zinc Zinc White (Zinc) Cadmium Gallium Zinc Kesterite, Selenium, Indium, (Carmot)
Spinel n/a Jasper Balas Ruby
Spodumene n/a Lithium Chloride Alumina Lithium Chloride
Stannite Copper 1/9th Pyrite Germanium Pyrite Kesterite
Stibnite Antimony 25% Antimony (Ceruclase)
Stolzite WO3 Tungstate Lead
Sulfur Sulfur Sulfur
Tantalite Tantalum 1/9th Gray (Mn) [4] Pyrolusite Pyrolusite Niobium Tantalum
Tantalum Tantalum Tantalum
Tanzanite n/a Opal
Tetrahedrite Copper 25% [2] Zinc Copper Blue (Cu) Copper Antimony Zinc Kesterite
Thorium / Thorite Thorium Lead Uranium (Cyanite)
Tin [3] Tin [2] White (Zinc) Zinc SnCl4 Molybdenite Wolframite Fluorite Arsenopyrite, Stannite, Speryllite, Huebnerite, Apatite
Topaz n/a Blue Topaz
Trinium Trinium Hematite Tin Rutile Hematite
Tungstate n/a Silver Gray (Mn) [4] Pyrolusite Pyrolusite Silver Lithium Chloride
Uraninite Uranium 1/3rd Lead Thorium Uranium Radium, Rare Earth, (Yellorium)
Uranium [1] Uranium Lead Thorium Plutonium Americium, (Yellorium)
Uvarovite n/a Chromium
Vanadium Pentoxide Vanadium 1/7th Vanadium Pentoxide
Vulcanite (Metallurgy) Vulcanite Wolframite
Vyroxeres (Metallurgy) Vyroxeres Iridium
Wolframite n/a Green (Fe) Hematite Tungstate Hematite Stannite (Vulcanite)
Wulfenite Molybdenum 1/9th Wulfenite
Yellorium (BR) Yellorium Lead Cyanite Blutonium Americium
Yellow Sapphire Alumina 75% Blue Sapphire Orange Sapphire Green Sapphire
Yellow Limonite Iron 25% Nickel Nickel Brown Limonite Cobalt
Yttrium Yttrium Yttrium
Zeolite n/a Sodium Potassium Calcium Magnesium
Zinc Zinc [2] Zinc Zinc White (Zinc) Tin Gallium
Zircon Zirconium 1/9th Rutile Hafnium Uraninite
  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Purified and Refined ores can be centrifuged for Isotopes
  2. 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 2.21 2.22 2.23 Can be smelted in a Furnace or Oven.
  3. 3.0 3.1 Sift like it was a gemstone to get some Zircon.
  4. 4.0 4.1 4.2 4.3 4.4 4.5 4.6 Hydrochloric Acid (HCl) Bath of the Purified Ore will produce MnCl2 dust.
  5. 5.0 5.1 5.2 This flammable material can be used as furnace fuel.
  6. 6.0 6.1 Hydrofluoric (HF) Bath of the Purified Ore will produce Tiny Refined Graphite Ore.
  7. 7.0 7.1 Can be Centrifuged for Helium.

Semi-Refined Mixtures

There are mixtures that come out of the refinery processes described above that have no primary component, therefore they require additional refinement to become useful.

Rare Earth Centrifuge 64 Neodymium, Yttrium, Lanthanum, Cerium, Cadmium, Caesium
Platinum Group Sludge Centrifuge 64 Platinum, Iridium, Rhodium, Palladium, Ruthenium, Osmium
Sluice Juice Centrifuge 64 Iron, Chromium, Zinc, Tin, Copper
Sluice Sand Magnetic Separator 16 Iron, Iron, Neodymium, Manganese, Cobalt, Nickel